diff --git a/openhantek/src/hantek/hantekdsocontrol.cpp b/openhantek/src/hantek/hantekdsocontrol.cpp
index 8dd6305..7ec4ed0 100644
--- a/openhantek/src/hantek/hantekdsocontrol.cpp
+++ b/openhantek/src/hantek/hantekdsocontrol.cpp
@@ -1825,7 +1825,6 @@ int Control::stringCommand(QString command) {
 }
 #endif
 
-/// \brief Called periodically in the control thread by a timer->
 void HantekDsoControl::run() {
     int errorCode = 0;
 
@@ -2098,5 +2097,9 @@ void HantekDsoControl::run() {
     }
 
     this->updateInterval();
-    QTimer::singleShot(cycleTime, this, &HantekDsoControl::run);
+    #if (QT_VERSION >= QT_VERSION_CHECK(5, 4, 0))
+     QTimer::singleShot(cycleTime, this, &HantekDsoControl::run);
+    #else
+     QTimer::singleShot(cycleTime, this, SLOT(run()));
+    #endif
 }
diff --git a/openhantek/src/hantek/hantekdsocontrol.h b/openhantek/src/hantek/hantekdsocontrol.h
index 7e1c85a..238ae23 100644
--- a/openhantek/src/hantek/hantekdsocontrol.h
+++ b/openhantek/src/hantek/hantekdsocontrol.h
@@ -32,6 +32,9 @@ public:
    */
     HantekDsoControl(USBDevice* device);
     ~HantekDsoControl();
+
+    /// Call this to start the processing. This method will call itself periodically from there on.
+    /// It is wise to move this class object to an own thread and call run from there.
     void run();
 
     unsigned int getChannelCount();